Racked

I racked my brains for an answer.

I racked my brains to write this.

She was racked with pain.

No matter how I racked my brain, I couldn't remember that name.

He racked his brains, trying to find a solution.

I racked my brain and still could not come up with the answer.

Tom was racked with pain.

I racked my brains for a new idea for an article.

Tom racked up a lot of debt because he was living beyond his means.

I racked my mind to find a solution to the riddle but eventually failed to find one.